The cholesterol levels of an adult can be described by a normal model with a mean of 187 mg/dL and a standard deviation of 23. a) Draw and label the normal model. O A. O B. O c. 68% 68% 68% 95% 95 95% 98 7% 99 7% 99 7% 118 141 164 187 210 233 256 49 95 141 187 233 279 325 153 164 176 187